Ersando, E. A., Coniate, C. D., & Lacanilao, F. (2001). The Bilingual policy and its implications to English language-teaching in selected colleges and universities in Metro Manila. College of Arts and Letters, University of the Philippines Diliman.

Ersando, Enrico A., Caleb Donne Coniate, and Flor Lacanilao. The Bilingual Policy and Its Implications to English Language-teaching in Selected Colleges and Universities in Metro Manila. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 2001.

Ersando, Enrico A., et al. The Bilingual Policy and Its Implications to English Language-teaching in Selected Colleges and Universities in Metro Manila. College of Arts and Letters, University of the Philippines Diliman, 2001.